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algol13
3 years ago
5

Please answer need help for a quiz

Mathematics
1 answer:
Paul [167]3 years ago
4 0

Answer:

option B

Step-by-step explanation:

3i( - 4 + 2i)

=  > 3i \times ( - 4) + 3i \times 2i

=  >  - 12i + 6 {i}^{2}

But it's given that {i}^{2}  =  - 1

So,

- 12i + 6 {i}^{2}  =  - 12i + 6 \times ( - 1)  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  =  - 12i - 6

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look this link up

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yuradex [85]

Answer:

9.5 inches

Step-by-step explanation:

brainly.com/question/1534981

8 0
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(2x^3 - 2x^2) Divide or subtract exponents ?
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Neither.

Step-by-step explanation:

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3 years ago
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3 years ago
Use completing the square to solve the equation x^2 0 10x = 08.
wariber [46]
Ok so assuming the 0 means minus from typing problems

x^2-10x=-8

to completet  the square
make sure the term in front of x^2 is 1
that is correct
then take 1/2 of the term in front of the x term and square it
-10/2=-5, (-5)^2=25
add that to both sides
x^2-10x+25=17


answer is the first equation
4 0
3 years ago
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